[Gastroscopy in the diagnosis of gastrointestinal hemorrhage].
D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000209:etiology; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged
Gastroskopiia v diagnostike zheludochno-kishechnykh krovotechaniĭ.